linux-kernel - Re: [PATCH v2] usb: cdns3: Rids of duplicate error message

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Message-ID: <e5ab2110-6bb0-ce06-be4f-010a030e307f@ti.com>
Date:   Mon, 12 Oct 2020 11:16:06 +0300
From:   Roger Quadros <rogerq@...com>
To:     Pawel Laszczak <pawell@...ence.com>, <balbi@...nel.org>
CC:     <peter.chen@....com>, <gregkh@...uxfoundation.org>,
        <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <kurahul@...ence.com>
Subject: Re: [PATCH v2] usb: cdns3: Rids of duplicate error message

Hi Pawel,

On 12/10/2020 09:42, Pawel Laszczak wrote:
> On failure, the platform_get_irq_byname prints an error message
> so, patch removes error message related to this function from
> core.c file.
> 
> A change was suggested during reviewing CDNSP driver by Chunfeng Yun.
> 
> Signed-off-by: Pawel Laszczak <pawell@...ence.com>
> ---
> Changelog:
> v2
> - simplified code as sugested by Roger Quadros.
> 
>   drivers/usb/cdns3/core.c | 10 +---------
>   1 file changed, 1 insertion(+), 9 deletions(-)
> 
> diff --git a/drivers/usb/cdns3/core.c b/drivers/usb/cdns3/core.c
> index a0f73d4711ae..85ef3025b293 100644
> --- a/drivers/usb/cdns3/core.c
> +++ b/drivers/usb/cdns3/core.c
> @@ -469,22 +469,14 @@ static int cdns3_probe(struct platform_device *pdev)
>   	if (cdns->dev_irq == -EPROBE_DEFER)

Shouldn't this be
	if (cdns->dev_irq < 0)
?

>   		return cdns->dev_irq;
>   
> -	if (cdns->dev_irq < 0)
> -		dev_err(dev, "couldn't get peripheral irq\n");
> -
>   	regs = devm_platform_ioremap_resource_byname(pdev, "dev");
>   	if (IS_ERR(regs))
>   		return PTR_ERR(regs);
>   	cdns->dev_regs	= regs;
>   
>   	cdns->otg_irq = platform_get_irq_byname(pdev, "otg");
> -	if (cdns->otg_irq == -EPROBE_DEFER)
> -		return cdns->otg_irq;
> -
> -	if (cdns->otg_irq < 0) {
> -		dev_err(dev, "couldn't get otg irq\n");
> +	if (cdns->otg_irq < 0)
>   		return cdns->otg_irq;
> -	}
>   
>   	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "otg");
>   	if (!res) {
> 

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